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Date:   Mon, 28 Nov 2016 00:04:41 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     rvatsavayi@...iumnetworks.com
Cc:     netdev@...r.kernel.org, raghu.vatsavayi@...iumnetworks.com,
        derek.chickles@...iumnetworks.com,
        satananda.burla@...iumnetworks.com,
        felix.manlunas@...iumnetworks.com
Subject: Re: [PATCH net-next 2/9] liquidio CN23XX: VF registration

From: Raghu Vatsavayi <rvatsavayi@...iumnetworks.com>
Date: Sun, 27 Nov 2016 20:51:35 -0800

> +static int
> +liquidio_vf_probe(struct pci_dev *pdev,
> +		  const struct pci_device_id *ent __attribute__((unused)))
> +{
> +	struct octeon_device *oct_dev = NULL;
 ...
> +	/* set linux specific device pointer */
> +	oct_dev->pci_dev = (void *)pdev;
> +

This is a terrible cast on several levels.  The type is already
correct, oct_dev->pci_dev and pdev are both "struct pci_dev *"

Furthermore, even if oct_dev->pci_dev was "void *", void pointer
casts are _never_ necessary on assignment from any other pointer
type.

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